Tensile Fracture Modes in Fe-22Mn-0.6C and Fe-30Mn-3Si-3Al Twinning-Induced Plasticity (TWIP) Steels
Abstract
Tensile tests were carried out to investigate the differences in fracture mechanisms between Fe -22Mn -0.6C and Fe -30Mn -3Si -3Al (wt pct) twinning-induced plasticity steels. Although both steels possess a strong twinning capability during tensile deformation, they display different tensile fracture modes of shear and necking. The Portevin -le Chatelier band is proposed as the key factor influencing the different fracture mechanisms.
- Publication:
-
Metallurgical and Materials Transactions A
- Pub Date:
- October 2017
- DOI:
- 10.1007/s11661-017-4263-y
- Bibcode:
- 2017MMTA...48.4458Y